# Radio noise from other devises such as turn signals **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** radio, avalon, noises, toyota\ **Created:** [October 24, 2009, 4:57pm UTC](https://community.cartalk.com/t/radio-noise-from-other-devises-such-as-turn-signals/38561 "2009-10-24T16:57:04Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![heriksen](https://avatars.discourse-cdn.com/v4/letter/h/c67d28/32.png) [@heriksen](https://community.cartalk.com/u/heriksen)\ **Post date:** [October 24, 2009, 4:57pm UTC](https://community.cartalk.com/t/radio-noise-from-other-devises-such-as-turn-signals/38561/1 "2009-10-24T16:57:04Z")
Do I have a bad ground connection that is causing noise over the radio when operating other electrical devises such as turn signals? ---
**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\ **Post date:** [October 24, 2009, 5:44pm UTC](https://community.cartalk.com/t/radio-noise-from-other-devises-such-as-turn-signals/38561/2 "2009-10-24T17:44:11Z")
That’s what usually causes radio interference when other electrical systems are operated. Tester ---
**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\ **Post date:** [October 24, 2009, 5:57pm UTC](https://community.cartalk.com/t/radio-noise-from-other-devises-such-as-turn-signals/38561/3 "2009-10-24T17:57:39Z")
Is a turnsignal relay to expensive to just give it a try? With bad grounds I always wonder what made them get bad. ---
**Author:** ![heriksen](https://avatars.discourse-cdn.com/v4/letter/h/c67d28/32.png) [@heriksen](https://community.cartalk.com/u/heriksen)\ **Post date:** [October 24, 2009, 6:31pm UTC](https://community.cartalk.com/t/radio-noise-from-other-devises-such-as-turn-signals/38561/4 "2009-10-24T18:31:29Z")
How do you isolate the various trouble sources?